Re: New PaleoBios paper - diplodocoid phylogenetic taxonomy

[Michael Mortimer <mickey_mortimer111@msn.com>]

David Marjanovic wrote-

> > Ornithothoraces,
>
> One:
> Node-based, *Iberomesornis* + Neornithes. Since *I.* has turned out to
> belong to Enantiornithes, Ornithothoraces forms a node-stem triplet with
> Enantiornithes and Euornithes.

Two:
(Sinornis + Neornithes) (Sereno, 1998)

> > Pygostylia,
>
> One, IIRC:
> Node-based, *Confuciusornis* + Neornithes.

Two:
(fused distal caudal vertebrae homologous with Vultur gryphus) (Gauthier and 
de Queiroz, 2001)

> > Carinatae,
>
> At least two:
> - Node-based: *Ichthyornis* + Neornithes.
> - Apomorphy-based: keel on sternum in all members of the population (so
> *Confuciusornis* is just outside).

Three: (Neornithes <- Hesperornis) (Cracraft, 1986)

> > Euornithes,
>
> Kurochkin used Euornithiformes, not Euornithes, so let's stick with Sereno
> (1998 -- not 1999), who (this time) made a really good decision:
> Stem-based: Neornithes inside, *Sinornis santensis* outside.
> Of course he could have used *Enantiornis* instead of *Sinornis*, but
> currently this doesn't make any practical difference.

Two: (Ibermoesornis + Neornithes) (Sanz and Buscalioni, 1992)

Mickey Mortimer